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prefix-cache

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Pure-PyTorch DeepSeek-V3/K3-style LLM stack where every serving optimization ships with a bit-exactness oracle: disk-tier expert streaming, KV prefix pool, MTP break-even telemetry, oracle-gated config evolution. 60 tests, all CPU-verified.

  • Updated Oct 19, 2026
  • Python

Measures real prefix cache costs on GPU across 3 experimental versions. Key findings: 2.41x speedup with prefix=512; multi-turn speedup grows to 2.06x over 10 turns; batch sharing breakeven at n=2 (prefix=512) vs n=12 (prefix=128); LFU cache with Zipf alpha=2.0 achieves 82% hit rate with only 4 cache slots.

  • Updated Jul 13, 2026
  • Python

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